APA (7th ed.) Citation

Collins, P. D. (1981). A socio-technical curriculum design model for vocational education. [publisher not identified].

Chicago Style (17th ed.) Citation

Collins, Paul D. A Socio-technical Curriculum Design Model for Vocational Education. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Collins, Paul D. A Socio-technical Curriculum Design Model for Vocational Education. [publisher not identified], 1981.